1. Overlighting of stairwells in change outs of existing light fixtures
TOOL WORKSHOP
Trade offs between thermal comfort and acoustical privacy in naturally ventilated offices
Overlighting of stairwells in change outs of existing light fixtures

3. Natural Ventilation
H1: There is a measurable difference in air speeds in offices that have both their clerestorys and window open v.s. those that only have the window open.

4. Acoustical Privacy
H2: There is a measurable difference in noise level between when the office has all openings closed and when the window is open, the door is open and the clerestory is open or a combination thereof.

5. Methodology
Tools Hot wire anemometer for airspeed Sound level meter Sample Spaces One east facing office (leeward side) One west facing office (windward side)

6. Methodology
Measurements were taken at occupant seating position in two offices on the third floor of the Faculty Offices East.
Measurements were taken with the Hot wire anemometer (FPM) and the sound level meter (db)
For noise, we had a team member stand outside the office and talk at a reasonable talking volume

7. Methodology Measurements were taken under 4 conditions:
All windows and door closed
Window open
Window and clerestory open
Window and door open
Window, clerestory, and door open

8. Data

9. Conclusions
H1 was correct. There was a measurable difference in airflow with differing apertures open
H2 Was partially correct. The noise level increased when the clerestory and or door were open. There was no change in noise level when the outside window was opened.
Clerestories were poorly functioning, fire doors were left open to compensate for air flow. Solve with better air flow in hallway.

10. Stairwell Lighting
H1: The light levels in the stairwells are over the light levels required by code

11. Methodology
Tools
Illuminance Meter used to take footcandle readings at stair treads
Sample Spaces
One east facing stairwell (with exterior windows)
One west facing stairwell

12. Data

13. Conclusion
H1 was correct. The level of footcandles required for stairwells by code is 2. The levels detected by our team far exceeded that level.

14. Considerations
Hallway acoustics
Air movement in Hallway